Keystones — Bedrock
Five GCSE retrieval questions · 20 May 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 38 + 28
Answer: 38 + 28 = 66 -
2. Algebra Substitution
If x = 2, find the value of 8x + 11
Answer: 27 -
3. Geometry Converting lengths
Convert 14cm to mm
Answer: 140mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:20
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 4, 14, 11, 3
Answer: 8